2758140427 has 16 divisors (see below), whose sum is σ = 3290821632. Its totient is φ = 2260225440.

The previous prime is 2758140409. The next prime is 2758140431. The reversal of 2758140427 is 7240418572.

It is a cyclic number.

It is not a de Polignac number, because 2758140427 - 2²⁷ = 2623922699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2758140427.

It is not an unprimeable number, because it can be changed into a prime (2758140457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563802 + ... + 568672.

It is an arithmetic number, because the mean of its divisors is an integer number (205676352).

Almost surely, 2^2758140427 is an apocalyptic number.

2758140427 is a deficient number, since it is larger than the sum of its proper divisors (532681205).

2758140427 is a wasteful number, since it uses less digits than its factorization.

2758140427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2758140427 is about 52518.0009806162. Note that the first 3 decimals coincide. The cubic root of 2758140427 is about 1402.4007154317.

Adding to 2758140427 its reverse (7240418572), we get a palindrome (9998558999).

The spelling of 2758140427 in words is "two billion, seven hundred fifty-eight million, one hundred forty thousand, four hundred twenty-seven".